...plzzz.....any1 can do dis............
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a)1)
area=l×b
=9×12=108
2)1 sq metre cost ₹50
108×50=₹5400
b1)
perimeter =100
length=30
breadth=?
2(l+b)=100
l+b=50
b=50-30
b=20 cm
2) area=20×30=600cm^2
c(1)p=2(120+80)
=400m
cost=2×400=₹800
d)
Carpet1's area=14×12.5=175m^2
carpet2's area=16×13.8=220.8m^2
area of second carpet is greater
e)area =17×4.5=76.5m^2
area=l×b
=9×12=108
2)1 sq metre cost ₹50
108×50=₹5400
b1)
perimeter =100
length=30
breadth=?
2(l+b)=100
l+b=50
b=50-30
b=20 cm
2) area=20×30=600cm^2
c(1)p=2(120+80)
=400m
cost=2×400=₹800
d)
Carpet1's area=14×12.5=175m^2
carpet2's area=16×13.8=220.8m^2
area of second carpet is greater
e)area =17×4.5=76.5m^2
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